Greenhouse gantry



FIG. 1 is a first front perspective view of a greenhouse gantry showing my new design;

FIG. 2 is a second front perspective view thereof drawn in a smaller scale and shown in its environment;

FIG. 3 is a front view thereof, the back view being a mirror image of the front view;

FIG. 4 is a side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines in the drawings depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a greenhouse gantry, as shown and described. 